#include<stdio.h>
int main()
{
	float C = 0;
	int F = 0;
	printf("F C\n");
	for (F = 0; F <= 300; F = F + 10)
	{
		C = 5 / 9.0 * (F - 32);
		printf("%d %.2f\n", F, C);
	}
	return 0;
}